@charset 'utf-8';

ul > li:not(:last-child)::after {
  content: ",";
}
.lists {
	display: flex;
	display: -webkit-flex;
	overflow: hidden;
	list-style: none;
}
.lists>li {
	float: left;
	flex-grow: 1;
	text-align: center;
	font-size: 16px;
}

.hide {
	display: none;
}
header {
	display: block;
	height: 40px;
	line-height: 40px;
	font-size: 16px;
	color: #FFF;
	text-align: center;
	background: #0e0e33;
}
.content {
	margin-left: 100px;
}
._left {
	position: fixed;
	top: 40px;
	left: 0;
	width: 80px;
	height: 100%;
	border-right: 10px solid transparent;
	border-left: 10px solid transparent;
	background: #aabbcc;
	z-index: 999;
}